不要用塑料布等不透水材料覆盖割草机。
Do not cover the mower with impermeable materials - such as plastic sheets.
根据已有透水材料的共同特点,以细砂密集堆积体为基质,环氧树脂为胶结料,制备出一种微孔透水性材料。
A kind of micro-porous permeable material is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder.
透水混凝土是一种新型的建筑材料,国内对它的研究还不成熟。
Porous concrete is a kind of new building material, and the domestic researching was not mature.
透水混凝土和多孔沥青不被认为是开放式网格,而是有边界材料。
Pervious concrete and porous asphalt are not considered open grid as they are considered bounded materials.
透水沥青混凝土是国际上较为先进的筑路材料,国内刚开始采用。
The pervious asphalt concrete is the paving material more advanced internationally, and just used locally.
建筑里所有的表面都应当用不透水的材料这样可以彻底清洗。
All surfaces inside the building should be of impervious material to permit thorough washing.
其具有压实性能好、透水性强、填筑密度大、抗剪强度高、沉陷变形小、承载力高等工程特性,是一种性能良好的天然建筑材料。
As a sort of nicer natural building material, it has good compactibility, high permeability, great filling density, high shear strength, less settlement and deformation, and high bearing capacity etc.
由于透水混凝土具有良好的透水性能,在雨天可以通过其连通的孔隙将雨水回流到地下,因此常作为人行道面的铺装材料。
As porous concrete has a good performance of permeability in the rainy day, which can put the water back to the underground through its connectivity, so it often be used to the sidewalks.
高压透气度测试仪经检验合格产品,用于测量低透水性材料的孔隙度、透气度和气阻。
High Pressure Densometers are the accepted standard for measuring the porosity, air-permeability or air-resistance of materials having low permeability.
充分利用疏浚土有机质含量高、吸附能力强和低透水性等特点,将其作为填埋场粘土衬垫的添加材料。
Due to the high organic content of dredged soil, its ability to adsorb various contaminants such as heavy metals warranted an investigation of its use in clay liner of landfill.
文章研究了考虑边界透水性的散体材料桩复合地基固结问题,给出了相应的解析解。
In this paper, the consolidation problem of soft clay ground improved by granular columns considering boundary permeability is studied and the corresponding analytical solution is developed.
水可能会在不透水的材料上冷凝并造成割草机的金属部件锈蚀。
Water may condense under impermeable materials and cause corrosion of metal parts of the mower.
按照本发明,是一顶帽子,帽子或头罩类似按照班轮由层的水分吸收材料是由一层的水分不透水物料支持。
In accordance with the present invention, a liner for a hat, cap or similar head covering comprises a layer of moisture absorbent material which is backed by a layer of moisture impervious material.
沙井袋是一种抗拉强度较高,透水透气性好,耐酸碱腐蚀和微生物侵蚀的材料。
Sand well the bag is a kind of anti - to pull the strength higher, water the well ventilated is good, and the acid-proof alkali decay with the material that the microorganism erode.
本发明是特别适用于油田的一种纤维增强硫铝酸盐高渗透水泥石复合材料。
The present invention is one kind of composite materials of fiber reinforced sulfaluinous cement with high water permeability.
沥青属于憎水性材料,它不透水,也几乎不溶于水、丙酮、乙醚、稀乙醇,溶于二硫化碳、四氯化碳、氢氧化钠。
Asphalt is hydrophobic material, it impermeable, almost insoluble in water, dilute ethanol, acetone, ether, soluble in carbon disulfide, carbon tetrachloride, sodium hydroxide.
该支架材料具有良好的渗透性、透水汽性和吸收性。
The rack material has excellent water and steam penetrability and absorption.
压实堆石料具有强透水性、低压缩性、破坏应变低、抗剪强度高。各料场级配石料均能够作为面板堆石坝的筑坝材料。
The compact rockfill materials are of the properties of high permeability, low compression, low failure strain and high shear strength.
用不透气不透水的薄膜材料覆盖在一个框架上形成罩子,罩子下边有密封环,可以阻止热气外泄。
The cover is formed by covering an airtight waterproof film on a frame. The lower edge of the cover is provided with a sealing ring which can prevent the external leakage of hot gas.
二地面采用不透水、防滑、耐重压且易于清洗之材料,并有适当斜度及排水系统以利排水,无局部积水之虞。
The floors shall be made of waterproof, anti-slippery, load-bearing, and easy-to-clean materials, and are sloped ina way that shall facilitate water drainage and keep the area from ponding.
二地面采用不透水、防滑、耐重压且易于清洗之材料,并有适当斜度及排水系统以利排水,无局部积水之虞。
The floors shall be made of waterproof, anti-slippery, load-bearing, and easy-to-clean materials, and are sloped ina way that shall facilitate water drainage and keep the area from ponding.
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